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Re: [opensuse] Firefox - on the security exceptions - self-signed certificates
  • From: Vojtěch Zeisek <vojtech.zeisek@xxxxxxxxxxxx>
  • Date: Fri, 06 May 2016 14:59:50 +0200
  • Message-id: <2184924.Ka0Qol7FO0@veles>
Dne pátek 6. května 2016 13:39:10 CEST, Per Jessen napsal(a):
Vojtěch Zeisek wrote:
I set up Synology NAS server and allowed only HTTPS access for the web
interface. It has self-signed certificate, but as it is only for
internal purposes, it is not any problem.
In Firefox, I went to the web interface. Of course, Firefox complained
about invalid certificate. So that I added the secutiry exception.


It was working fine, but as requested by our network admin, I had to
change the network settings and set domain name.

What does this mean? where did you what?

I obtained public IP address (it has static IP, I changed it respectively) and
changed routing in its web interface.

It seems Firefox has somehow related the certificate with the old
network settings and it does not allow me to acces the site now.

Did the NAS server change name? A certificate is tied to the name - if
your NAS server used to be called "vojtechnas", and it's now
called "", that's the problem.

Yes, there was such a change in the server name.
I created new certificate, but Firefox still has the same problem... :-(

And there is no possibility to add the security exception, nothing.
Firefox just points to
I checked Firefox settings, but I didn't find respective certificate
neither domain. So how can I add/change the security exception
settings to acces the site now? Thanks,

Try deleting the earlier exception.

I'd like to do so, but I didn't find the right place where it is stored... :-(

Vojtěch Zeisek

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